package com.cl.eb.controller;

import com.cl.eb.mapper.EbProductCategoryMapper;
import com.cl.eb.model.EbProductCategory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import javax.servlet.ServletContext;
import java.util.List;

@Component
public class InitContext implements CommandLineRunner {
    @Resource
    private EbProductCategoryMapper ebProductCategoryMapper;
    @Resource
    private ServletContext application;
    @Override
    public void run(String... args) throws Exception {
        System.out.println("==  spring boot项目自定义初始化  ==");
        //1.查询 所有大类 和小类
        List<EbProductCategory> bigs = ebProductCategoryMapper.selectBigCategory();
        List<EbProductCategory> smalls = ebProductCategoryMapper.selectSmallCategory();
        //2.放到全局的context域中
        application.setAttribute("bigs",bigs);
        application.setAttribute("smalls",smalls);
    }
}
